YOU SAID:
I'm elated about your achievement
INTO JAPANESE
私はあなたの功績に嬉しいです
BACK INTO ENGLISH
I am glad for your achievement
INTO JAPANESE
あなたの功績を嬉しく思います
BACK INTO ENGLISH
I am pleased with your achievements
INTO JAPANESE
私はあなたの功績に満足しています
BACK INTO ENGLISH
I am satisfied with your achievements
INTO JAPANESE
私はあなたの業績に満足しています
BACK INTO ENGLISH
I am satisfied with your achievements
You've done this before, haven't you.